1. WeBoKaN DWD 1 German Meteorological Service Weather-Observing-Camera-Network WeBoKaN = Wetter-Beobachtungs-Kamera-Netzwerk Theodor Mammen, Uwe Wienert (Rainer Bauer, Hardy Pinz, Eckhard Lanzinger et al)

2. WeBoKaN DWD 2 German Meteorological Service Topics: Technology Products Local-Remote Comparison Outlook

3. WeBoKaN DWD 3 German Meteorological Service TECHNOLOGY

4. WeBoKaN DWD 4 German Meteorological Service Integration of Standard Components to a flexible and specialized System

5. WeBoKaN DWD 5 German Meteorological Service Features: Standard Components (e.g. Linux, block camera, frame grabber) Computer controlled Optical Zoom (18x) and Positioning Automatic and host-controlled Exposure Acquisition, Movie Generation and Distribution fully automatic (Post-) Processing of Pictures and Movies Products in JPG- and MPG-Format

6. WeBoKaN DWD 6 German Meteorological Service Outdoor: Movable Camera Fixed Camera Sensors (Temp., Precip. Y/N) Fountain solution for wiper Indoor: PC Terminalserver Network BITE and UPS

7. WeBoKaN DWD 7 German Meteorological Service PRODUCTS

8. WeBoKaN DWD 8 German Meteorological Service Panorama: wide angle allows full 360 degrees with 8 shots Movable Camera Zoomed target for estimate of visibility

9. WeBoKaN DWD 9 German Meteorological Service Picture: JPG-Header includes meta data Movie: Full PAL- or 1/4 PAL-resolution

10. WeBoKaN DWD 10 German Meteorological Service Picture: JPG-Header includes meta data Movie: Full PAL- or 1/4 PAL-resolution

11. WeBoKaN DWD 11 German Meteorological Service INTER-COMPARISON LOCAL REMOTE

12. WeBoKaN DWD 12 German Meteorological Service

13. WeBoKaN DWD 13 German Meteorological Service Parameter (data availability): Total Cloud Coverage (>90%) Horizontal Visibility (>90%) Present Weather (60%) State of Ground (10%) Timeperiod: September,1st 2003 to August,31 2004

14. WeBoKaN DWD 14 German Meteorological Service

15. WeBoKaN DWD 15 German Meteorological Service Summary of Inter-Comparison: Cloud Coverage and Visibilty can be well optained Intensity of precipitation hard to get Snow Voverage OK, other States of Ground not Results from different Stations are similar Summary of Questionnaire: Forecasters use DWD- and other Internetcameras –Cloud Coverage and Visibilty (60-80%) –Present Weather from Movies (55%)

16. WeBoKaN DWD 16 German Meteorological Service OUTLOOK

17. WeBoKaN DWD 17 German Meteorological Service Noise reduction: OriginalAveraged over 8 pictures

18. WeBoKaN DWD 18 German Meteorological Service Scanning will we optimized Extend operation to „Low Brightness Condition“ Host based „Exposure“ and Picture Manipulation Complete „outdoor“ Installation will be tested Requests for more Systems (WKN-II) We apply for Ressources Integration into NINJO (DWD Data Display System)

19. WeBoKaN DWD 19 German Meteorological Service

20. WeBoKaN DWD 20 German Meteorological Service THANK YOU!!

21. WeBoKaN DWD 21 German Meteorological Service Sahara-Dust over Bavaria